1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.util.comparator;
24  
25  import com.liferay.portal.kernel.util.OrderByComparator;
26  import com.liferay.portal.model.Resource;
27  
28  /**
29   * <a href="ResourceComparator.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Alexander Chow
32   */
33  public class ResourceComparator extends OrderByComparator {
34  
35      public static String ORDER_BY_DESC = "resourceId DESC";
36  
37      public static String[] ORDER_BY_FIELDS = {"resourceId"};
38  
39      public int compare(Object obj1, Object obj2) {
40          Resource resource1 = (Resource)obj1;
41          Resource resource2 = (Resource)obj2;
42  
43          long resourceId1 = resource1.getResourceId();
44          long resourceId2 = resource2.getResourceId();
45  
46          if (resourceId1 > resourceId2) {
47              return -1;
48          }
49          else if (resourceId1 < resourceId2) {
50              return 1;
51          }
52          else {
53              return 0;
54          }
55      }
56  
57      public String getOrderBy() {
58          return ORDER_BY_DESC;
59      }
60  
61      public String[] getOrderByFields() {
62          return ORDER_BY_FIELDS;
63      }
64  
65      public boolean isAscending() {
66          return false;
67      }
68  
69  }